package com.bookmanger.common.intercepter;

import com.bookmanger.common.utils.ManagerHolder;
import com.bookmanger.common.utils.UserIdThreadLocal;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.servlet.HandlerInterceptor;


/**
 * 检测管理员是否登录
 * @author huangfuhao
 * @Date 2024/4/23
 */
@Slf4j
public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        log.info("管理员登录拦截器");
        //  1.判断是否需要拦截（ThreadLocal中是否有用户）
        if (UserIdThreadLocal.getUserId() == null) {
            //  没有，需要拦截，设置状态码
            log.info("管理员登录拦截，未登录");
            response.setStatus(401);
            //  拦截
            return false;
        }
        //  管理员存在，则放行
        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
